Please contact me if you can not make sure whether this item can work with your alarm system or not.
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<br />Technical Parameters
<br />1. Power DC: 2*1.5V button battery 
<br />2. Wireless Distance: 10-30m (open area) 
<br />3. Frequency: 433MHZ 
<br />4. Operating Temperature: -10 ~ 55 degrees 
<br />5. Operating temperature: less than 80%(No Coagulation) 
<br />Size: 35*12*67mm
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<br />Package Content
<br />RC531 Wireless Remote controller* 1 (433MHz,without sim card and original box)